Velopedia Bicycle Archive

2009 Rocky Mountain Slayer SS 427

Original specifications: Shimano SLX drivetrain · 26" wheels.

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At a glance

Model year
2009
Category
Mountain
Sizes
XS, S, M, L
Colors
White
In this record
28 specifications · archived image
Archive ID
18839
Original buildRMB FORM 7005 Aluminum · Shimano SLX · 26" wheels

Historical catalog variants

Archived sizes and colors

4 item records

Item-level catalog entries recovered from Velopedia’s original bicycle archive. They document how this model was listed historically; they do not identify the frame size associated with legacy reference geometry or indicate current availability.

Published sizes

XSSML

Published colors

White
View 4 archived size/color combinations
SizeColor
XSWhite
SWhite
MWhite
LWhite

Historical catalog evidence. Exact specifications and naming may vary by market, production run or manufacturer revision.

Frameset

Frame ConstructionTIG-welded
Frame MaterialRMB FORM 7005 Aluminum
ForkFox 36 Float R, 160mm travel
Fork MaterialSingle
Rear ShockFox DHX Air 4.0, 152mm travel

Drivetrain

Component GroupShimano SLX
ShiftersShimano SLX RapidFire
Front DerailleurE Thirteen LG1, chain retention device
Rear DerailleurShimano XT Shadow
CranksetRace Face Atlas AM X-Type, 36 teeth
Bottom BracketRace Face Atlas AM X-Type
CassetteShimano SLX
Rear Cogs9-speed, 11 - 28 teeth
ChainShimano HG50
PedalsRMB flat

Brakes

BrakesFormula Mega disc brakes, Formula Mega hydraulic levers

Cockpit & Contact Points

Headset1 1/8" - 1 1/2" integrated FSA Orbit Z
HandlebarEaston EA70 40mm riser
Handlebar ExtensionsNot included
StemEaston Havoc DH 31.8mm
SaddleWTB Pure V Race
SeatpostEaston Havoc, 30.9mm diameter

Wheels & Tires

HubsFront: Wheeltech disc super sealed, Rear: Wheeltech disc super sealed w/10mm solid axle
RimsMavic EN-321
SpokesStainless
Front Tire26 x 2.50" WTB Prowler MX
Rear Tire26 x 2.50" WTB Dissent
Wheel Size26" wheels

Gearing

Chainring ÷ rear sprocket

Lower ratios provide more mechanical advantage for climbing. Higher ratios turn the rear wheel farther with each crank revolution.

RPM
Theoretical speed from published tire dimensions; see the evidence note below.
Published build36T · 11–28T · 9-speed
Lowest1.29:1 Highest3.27:1 Total range255%
Estimated speed Lowest gear9.3 mph Highest gear23.7 mph

Based on published rear tire 26×2.5 (standard MTB rim assumed). Approximate circumference; actual rollout varies with tire and pressure. Theoretical, not a maximum achievable speed.

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Parts & serviceability

Find replacement parts

Original specifications
Chain · Original
Shimano HG50
Front tire · Original
Front: 26 x 2.50" WTB Prowler MX, Rear: 26 x 2.50" WTB Dissent
Bottom bracket · Original
Race Face Atlas AM X-Type
More parts (6)
Saddle · Original
WTB Pure V Race
Crankset · Original
Race Face Atlas AM X-Type, 36 teeth
Rear derailleur · Original
Shimano XT Shadow Search: Shimano Deore XT 9-speed rear derailleur Before ordering: Confirm whether the drivetrain is mechanical or electronic before ordering.
Shifters · Original
Shimano SLX RapidFire Search: Shimano SLX 9-speed shifter
Handlebar · Original
Easton EA70 40mm riser
Stem · Original
Easton Havoc DH 31.8mm

Based on the original build. Confirm the model, size and fit before ordering; installed parts may differ. As an Amazon Associate I earn from qualifying purchases. Velopedia may also earn from qualifying eBay purchases.

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Bike-specific inspection checklist 22 checks based on 6 archived component groups Open checklistClose checklist
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This checklist uses the archived equipment for this bike. It cannot confirm the condition, service history or later component changes of the example in front of you.

Archived: 2009 Rocky Mountain Slayer SS 427 · Mountain bike, front & rear suspension · Published sizes: XS, S, M, L

Archived: Frame: TIG-welded · Fork: Fox 36 Float R, 160mm travel · Single

Archived: Fork: Fox 36 Float R, 160mm travel · Rear shock: Fox DHX Air 4.0, 152mm travel

Archived: Group: Shimano SLX · Shifters: Shimano SLX RapidFire · Front derailleur: E Thirteen LG1, chain retention device · Rear derailleur: Shimano XT Shadow · Crankset: Race Face Atlas AM X-Type, 36 teeth · Bottom bracket: Race Face Atlas AM X-Type · Cassette: Shimano SLX · Rear cogs: 9-speed, 11 - 28 teeth · Chain: Shimano HG50

Archived: Brakes: Formula Mega disc brakes, Formula Mega hydraulic levers

Archived: Wheel size: 26" wheels · Rims: Mavic EN-321 · Hubs: Front: Wheeltech disc super sealed, Rear: Wheeltech disc super sealed w/10mm solid axle · Front tire: Front: 26 x 2.50" WTB Prowler MX, Rear: 26 x 2.50" WTB Dissent

Controls and contact points

Archived: Headset: 1 1/8" - 1 1/2" integrated FSA Orbit Z · Handlebar: Easton EA70 40mm riser · Stem: Easton Havoc DH 31.8mm · Seatpost: Easton Havoc, 30.9mm diameter · Saddle: WTB Pure V Race · Pedals: RMB flat

Before and during the test ride

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Specifications are presented as a reference. Components may vary by market, size, production run, or later manufacturer revisions.

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